Home / 246,601.62-369,899.94-78,121.38

Finding the Fourth Proportional to 246,601.62, 369,899.94 and 78,121.38

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Solution

The fourth proportional to 246,601.62, 369,899.94 and 78,121.38 is: 117,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,601.62 : 369,899.94 = 78,121.38 : x
  2. Step 2: Convert to fraction form
    246,601.62/369,899.94 = 78,121.38/x
  3. Step 3: Cross multiply
    246,601.62x = 369,899.94 × 78,121.38
  4. Step 4: Simplify right side
    246,601.62x = 28,897,093,774.72
  5. Step 5: Solve for x
    x = 28,897,093,774.72/246,601.62
  6. Step 6: Final answer
    x = 117,181.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.